Add support for end point overrides

CHANGELOG.md

@@ -4,6 +4,9 @@ All notable changes to this project will be documented in this file.
 The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
 and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
 
+## Unreleased
+- Add support for a custom end point URI
+
 ## [2.3.0] - 2021-10-27
 - Add TextClientFactory
 

CM.Text/TextClient.cs

@@ -70,6 +70,7 @@ public class TextClient : ITextClient
     {
         private static readonly Lazy<HttpClient> ClientSingletonLazy = new Lazy<HttpClient>();
         private readonly Guid _apiKey;
+        [CanBeNull] private readonly Uri _endPointOverride;
         private readonly HttpClient _httpClient;
 
         /// <summary>
@@ -88,10 +89,23 @@ public TextClient(Guid apiKey) : this(apiKey, null)
         /// <param name="apiKey">The API key.</param>
         /// <param name="httpClient">An optional HTTP client.</param>
         [PublicAPI]
-        public TextClient(Guid apiKey, [CanBeNull] HttpClient httpClient)
+        [SuppressMessage("ReSharper", "IntroduceOptionalParameters.Global", Justification = "Binary backwards compatibility")]
+        public TextClient(Guid apiKey, [CanBeNull] HttpClient httpClient): this(apiKey, httpClient, null)
+        {
+        }
+
+        /// <summary>
+        ///     Initializes a new instance of the <see cref="TextClient" /> class.
+        /// </summary>
+        /// <param name="apiKey">The API key.</param>
+        /// <param name="httpClient">An optional HTTP client.</param>
+        /// <param name="endPointOverride">(Optional) The end point to use, instead of the default "https://gw.cmtelecom.com/v1.0/message".</param>
+        [PublicAPI]
+        public TextClient(Guid apiKey, [CanBeNull] HttpClient httpClient, [CanBeNull] Uri endPointOverride)
         {
             this._apiKey = apiKey;
             this._httpClient = httpClient ?? ClientSingletonLazy.Value;
+            this._endPointOverride = endPointOverride;
         }
 
         /// <inheritdoc />
@@ -104,9 +118,9 @@ public async Task<TextClientResult> SendMessageAsync(
             CancellationToken cancellationToken = default(CancellationToken))
         {
             using (var request = new HttpRequestMessage(
-                HttpMethod.Post,
-                new Uri(BusinessMessagingApi.Constant.BusinessMessagingGatewayJsonEndpoint)
-            ))
+                       HttpMethod.Post,
+                       this._endPointOverride ?? new Uri(BusinessMessagingApi.Constant.BusinessMessagingGatewayJsonEndpoint)
+                   ))
             {
                 request.Content = new StringContent(
                     BusinessMessagingApi.GetHttpPostBody(this._apiKey, messageText, from, to, reference),

CM.Text/TextClientFactory.cs

@@ -25,20 +25,23 @@ public interface ITextClientFactory
     public class TextClientFactory : ITextClientFactory
     {
         private readonly HttpClient _httpClient;
+        [CanBeNull] private readonly Uri _endPointOverride;
 
         /// <summary>
         /// Initializes a new instance of the <see cref="TextClientFactory"/> class.
         /// </summary>
         /// <param name="httpClient">The HTTP client.</param>
-        public TextClientFactory(HttpClient httpClient)
+        /// <param name="endPointOverride">(Optional) The end point to use, instead of the default "https://gw.cmtelecom.com/v1.0/message".</param>
+        public TextClientFactory(HttpClient httpClient, Uri endPointOverride = null)
         {
             this._httpClient = httpClient;
+            this._endPointOverride = endPointOverride;
         }
 
         /// <inheritdoc />
         public ITextClient GetClient(Guid productToken)
         {
-            return new TextClient(productToken, this._httpClient);
+            return new TextClient(productToken, this._httpClient, this._endPointOverride);
         }
     }
 }